L-Arginine L-Citrulline Complex 1000 mg®

Amino Acids & Protein

Brand: Source Naturals

Tablet or PillAmino acid/ProteinOn Market
Click to view full label

Net Contents

60 Tablet(s)

Serving Size

1 Tablet(s)

Servings Per Container

60

Supplement Form

Tablet or Pill

Bar Code (UPC/SKU)

0 21078 02042 4

Product Version

SN2042 REV L101

Label Analysis

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

3Active Ingredients

3 distinct active ingredients are disclosed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

1Dietary Attributes

Label states: Gluten-Free.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Allergen Guide

Contains

  • Milk
  • Egg
  • Wheat
  • Soy
  • Gluten

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Supplement Facts

Serving Size: 1 Tablet(s) · 4 per day

IngredientAmount Per Serving
Calories5 Calorie(s)
L-Arginine(L-Arginine Hydrochloride)750 mg
L-Citrulline250 mg

Not Present

Other Ingredients

Stearic AcidMaltodextrinsilicified Microcrystalline Cellulosemodified Cellulose GumSilicon Dioxide, Colloidal

Target Groups

Adult (18 - 50 Years)Gluten FreeDairy FreeSugar Free

Label Claims

NutrientAll OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested Use: 1 tablet four times daily.

Warnings & Precautions

Precautions re: Pregnant or Nursing or Prescription Medications

Warning: If you are pregnant, may become pregnant, breastfeeding, have a history of heart disease, hypotension, renal or hepatic failure, or are taking any prescription medication such as nitroglycerin or any drug for erectile dysfunction, consult your physician before using this product.

Precautions re: All Other

Not recommended following acute myocardial infarction.

Precautions re: All Other

Do not use if either tamper-evident seal is broken or missing.

Precautions re: Children

Keep out of the reach of children.

Storage

Storage

Store in a cool, dry place.

Formulation

Formulation re: Other

Supports peak performance

Formula re: Contains

L-Arginine and L-Citrulline are two amino acids bundled into a single powerful supplement.

Formulation re: Other

L-Arginine is an important factor in muscle metabolism and a precursor for nitric oxide, which promotes increased circulation by relaxing blood vessels. L-Citrulline helps the body rid itself of ammonia, a by-product of exercise. This clearing enables the body to recover after a workout.

Formulation re: Does NOT Contain

Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.

FDA Statements

FDA Statement of Identity

Amino Acid Supplement

FDA Disclaimer Statement

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

Other Label Statements

Brand IP Statement(s) re: (c), (TM), (SM)

Copyright Source Naturals, Inc.

Manufacturer & Distributor

Distributor

Source Naturals, Inc.

P. O. Box 2118, Santa Cruz, CA, 95062

Market Reference

$9.99 – $75.00· 19 listings
  • Source Naturals L Arginine L Citrulline Complex

    Chinese Herbs Direct4.6(785)
    $18.19
  • Best Naturals L-Arginine L-Citrulline Complex 1000 mg

    Target4.7(267)
    $12.99
  • Source Naturals L-Arginine L-Citrulline Complex 1000 mg Tablet

    Mothers Market & Kitchen4.6(785)
    $20.19
  • L-Citrulline Source Naturals

    Vitacost.com4.7(278)
    $39.89
  • Source naturals 1000mg L-Arginine L-Citrulline Complex 60 Tablet Supplement

    Shopit4.6(785)
    $25.40
  • Source Naturals L-Arginine L-Citrulline Complex 10 Tablets

    Instacart4.6(785)
    $57.99
  • L Arginine Source Naturals

    Professional Supplement Center4.7(222)
    $31.99
  • Source Naturals L-Arginine L-Citrulline 60T

    Instacart
    $11.39

Where to Buy Locally

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Research & Studies

  • Vitamin D3, L‑Arginine, L‑Citrulline, and antioxidant supplementation enhances nitric oxide bioavailability and reduces oxidative stress in the vascular endothelium …

    M Dawoud - Pharmacognosy Research, 2020 - phcogres.com

    … One of the main observations in this study is that a mixture of L‑arginine, L‑citrulline, Vitamin D3, and antioxidants significantly increases the concentration of bioavailable, cytoprotective …

    202023 citations
  • Potential role of L-citrulline in regulating exercise performance and muscle protein metabolism

    X Lv, Y Song, T Guo, J Hua - npj Science of Food, 2026 - nature.com

    … Reengineering of a Corynebacterium glutamicum Larginine and L-citrulline producer. … plasma L-arginine levels of combined oral L-citrulline and L-arginine supplementation in healthy …

    2026
  • The effect of L-arginine in the prevention of preeclampsia and intrauterine growth of the fetus in primigravid women: a randomized clinical trial

    S Khansari, S Nasrollahi, S Khazaei… - Biomedical Research and …, 2024 - bmrat.com

    … from Hamadan University of Medical Sciences and after … administered 1000 mg of L-arginine and prenatal supplements … Preeclampsia and L-Arginine/L-Citrulline Supplementation as a …

    20246 citations
  • Most used combined multisupplements containing l–arginine

    D Obreshkova, D Tsvetkova, K Ivanov - amb, 2012 - researchgate.net

    … are the most common combined supplements with L–Argi… in most cases L–Arginine was combined with: L–Citrulline, L–… in medical sourses for multisupplements with L–Arginine shows …

    20123 citations
  • Pros and cons of L-arginine supplementation in disease

    YLJ Vissers, IBJG Debats, YC Luiking… - Nutrition research …, 2004 - cambridge.org

    … of the alternative hypothesis: that L-arginine supplementation is beneficial in disease. The … studies in healthy and diseased animals and patients with monotherapy of L-arginine to come …

    200424 citations
  • Lactobacillus murinus alleviates insulin resistance via promoting L-citrulline synthesis

    J Long, Z Shi, Z Miao, L Dong, D Yan - Journal of Endocrinological …, 2025 - Springer

    … human health … L-Citrulline was metabolized to produce L-arginine by arginosuccinase (AS). The results showed that the contents of L-glutamic acid, N-acetylornithine, and L-arginine …

    202512 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2023-08-23. DSLD Label ID: 295935. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.